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3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery on page 40
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door on page 41
).
b.
Hard drive (see
Hard drive on page 45
)
c.
Optical drive (see
Optical drive on page 43
)
d.
Keyboard (see
Keyboard on page 52
)
e.
Top cover (see
Top cover on page 54
)
f.
Fan (see
Fan on page 64
)
g.
Optical drive extension board (see
Optical drive extension board on page 75
)
h.
Hard drive extension board (see
Hard drive extension board on page 77
)
When replacing the system board, be sure to remove the following components from the defective
system board and install on the replacement system board:
●
Memory module (see
Memory modules on page 48
)
●
WLAN/Bluetooth module (see
WLAN/Bluetooth combo card on page 50
)
●
Processor (see
Processor on page 80
)
●
Optical drive extension board (see
Optical drive extension board on page 75
)
●
Hard drive extension board (see
Hard drive extension board on page 77
)
Remove the system board:
1.
Position the computer upright with the front toward you.
Component replacement procedures
71